Animal lovers warned people against sharing the videos, claiming the animals are being mistreated.

One said on Twitter: "Dogs are abused in order to walk on their hind legs because news flash its UNNATURAL for a dog to walk like this. stop sharing this us gross [sic]".

Another wrote: "pls stop retweeting the dog running on its hind legs. it's grossly abused by the owner and punished when it walks on its 4 legs. thank u [sic]".

AsiaWire

Duke's owner claims his pet has been trained to walk on its hind legs since it was a pup

ASIAWIRE

Passersby stopped to take pictures and videos of the rare sight

Dr. Patricia Alderson, of the Canadian Veterinary Medical Association’s (CVMA) Animal Welfare Committee, told Global News: “It’s a cute trick and gets attention but we don’t know the training that went on behind that.

"Hopefully it’s training by positive reinforcement in a humane manner.”

MOST READ IN NEWS

TORTURED TO DEATH

Chilling pic of starved nanny, 21, hours before she was killed & burned

FINAL CALL

Prince Harry and Chelsy Davy 'shared tearful call a week before Royal Wedding'